Golf putter head



FIG. 1 is an isometric view of a golf putter head embodying my new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and

FIG. 5 is a rear view thereof. 

The ornamental design for a golf putter head, as shown. 